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l_pipe_read: Don't leak the old block if mem_realloc fails.

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[ From commit 699663614a in ELinks
  0.12.GIT.  --KON ]
This commit is contained in:
Kalle Olavi Niemitalo 2007-04-19 00:15:30 +03:00 committed by Kalle Olavi Niemitalo
parent 43a1d6f880
commit 711fc8c30a
1 changed files with 4 additions and 2 deletions
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6
src/scripting/lua/core.c
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@ -203,8 +203,10 @@ l_pipe_read(LS)
size_t l = fread(buf, 1, sizeof(buf), fp);
if (l > 0) {
s = mem_realloc(s, len + l);
if (!s) goto lua_error;
unsigned char *news = mem_realloc(s, len + l);
if (!news) goto lua_error;
s = news;
memcpy(s + len, buf, l);
len += l;